Kaybeleva Elmira Ismailovna RussiaSaratovSaratov State University, 410012, Saratov, Astrakhanskaya, 83kaybeleva-elmira@mail.ru Author's articles The effect of photoperiod on the manifestation of apomixis in Poa pratensis L. To the problem of growth of Hierochloë odorata (L.) Wahl. (Poaceae) in Saratov region Pollen-ovule ratios in cereals with different mode of reproduction Aposporiy in representatives of the genus Koeleria Pers.